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Chemical Name
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1,1-Dichloro-2,2-bis(2,4'-dichlorophenyl)ethane; 1,1-Dichloro-2-(o-chlorophenyl)-2-(p-chlorophenyl)ethane
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Molecular Weight]
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320.045
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Specification
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USP27/USP28
| Appearance | White or off white | | Identification | | A | IR chromatograph conforms to characteristic peak of RS | | B | UV chromatograph conforms to characteristic peak of RS | | Melting range°C | 75~81℃ | | Loss on drying | 0.5%max | | Residue on ignition | 0.5%max | | Organic volatile impurities | Meets the requirements | | Assay (calculated on dried basis C14H10Cl4) | 97.0~103.0% |
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